4.185 MLS Head Gasket .040 - SBM W7/W8/W9

The 4.185 MLS Head Gasket .040 - SBM W7/W8/W9 from COMETIC GASKETS is designed for small-block engine builds that require precision and reliability in high-performance applications. This gasket is ideal for builders looking to enhance engine performance in modified setups.

Constructed from multi-layer steel (MLS), this head gasket provides superior clamping force retention and thermal cycling durability compared to traditional composite gaskets. The .040-inch compressed thickness is critical for maintaining the correct compression ratio and spark plug positioning, ensuring optimal performance in W7, W8, and W9 block variants.

Engine builders and machine shops frequently choose Cometic MLS gaskets for small-block stroker engines and naturally aspirated high-compression builds. The 4.185-inch bore diameter ensures full sealing coverage across the combustion chamber, which is essential for engine longevity and performance integrity.